diff --git a/src/test/java/hibernateTest/models/NativeApiIllustrationTest.java b/src/test/java/hibernateTest/models/NativeApiIllustrationTest.java
index 478508b..d2e0759 100644
--- a/src/test/java/hibernateTest/models/NativeApiIllustrationTest.java
+++ b/src/test/java/hibernateTest/models/NativeApiIllustrationTest.java
@@ -26,6 +26,7 @@
 import java.util.Date;
 import java.util.List;
 
+import com.sun.org.apache.xerces.internal.util.SynchronizedSymbolTable;
 import hibernateTest.entities.Event;
 import hibernateTest.entities.Group;
 import hibernateTest.entities.Request;
@@ -68,38 +69,54 @@
 				sessionFactory.close();
 			}
 		} catch (Exception e) {
-
+            System.out.println("Exception!");
 		}
 	}
 
 	public void testBasicUsage() {
-		// create a couple of events...
+		/*データの保存(データベースに投入)*/
 		Session session = sessionFactory.openSession();
 		session.beginTransaction();
 		session.save( new Event( "Our very first event!", new Date() ) );
 		session.save( new Event( "A follow up event", new Date() ) );
 		session.save( new Group("111", "http://test1", "family", "011" ) );
 		session.save( new Group("222", "http://test2", "friend", "022" ) );
-		session.save( new Request("111", "http://test01", "1999.01.01", "011", "ice", "1999.04.10",011));
+		Group newGroup = new Group("333", "http://test3", "school", "033" );
+		session.save(newGroup); //インスタンスを引数に渡すこともできます
+		session.save( new Request("111", "http://test01", "1999.01.01", "011", "cookie", "1999.04.10",011));
 		session.save( new Request("222", "http://test02", "1999.02.02", "033", "milk", "1999.04.10",011));
 		session.save( new Request("333", "http://test03", "1999.03.03", "033", "ice", "1999.04.10",011));
 		session.getTransaction().commit();
 		session.close();
 
-		// read and delete a request
+		/*データ(レコード)の取得し削除。*/
 		session = sessionFactory.openSession();
 		session.beginTransaction();
-		//http://a4dosanddos.hatenablog.com/entry/2015/03/21/135421
-		//createCriteriaは非推奨。別の方法があるのか?
-		Criteria criteria = session.createCriteria(Request.class).add(Restrictions.eq("rId", "222"));
-		Request editRequest = (Request) criteria.uniqueResult();
-		if(editRequest != null){
-			session.delete(editRequest);
+		//load()メソッドを用いて取得する方法。
+		Request deletedRequest = (Request) session.load(Request.class, "222");
+		//データの削除
+		if(deletedRequest != null){
+			session.delete(deletedRequest);
 		}
 		session.getTransaction().commit();
 		session.close();
 
-		// now lets pull events from the database and list them
+		/*データを取得し更新*/
+		session = sessionFactory.openSession();
+		session.beginTransaction();
+		//createCriteriaを用いて取得する方法。ただし非推奨。
+		//http://a4dosanddos.hatenablog.com/entry/2015/03/21/135421
+		Criteria criteria = session.createCriteria(Request.class).add(Restrictions.eq("rId", "333"));
+		Request editRequest = (Request) criteria.uniqueResult();
+		//データの更新
+		if(editRequest != null) {
+			editRequest.setProduct("Chocolate ice !!");
+			session.update(editRequest);
+		}
+		session.getTransaction().commit();
+		session.close();
+
+		/*全件取得と出力*/
 		session = sessionFactory.openSession();
 		session.beginTransaction();
 		List result = session.createQuery( "from Event" ).list();
@@ -112,7 +129,7 @@
 		}
 		List requestResult = session.createQuery( "from Request" ).list();
 		for ( Request request : (List<Request>) requestResult ) {
-			System.out.println( "Request (" + request.getrId() + ") : " + request.getUri() + ": " + request.getDate() + ": " + request.isDone());
+			System.out.println( "Request (" + request.getrId() + ") : " + request.getUri() + ": " + request.getProduct());
 		}
 		session.getTransaction().commit();
 		session.close();